Mikulin AM-42

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The Mikulin AM-42 was a 1940s Soviet aircraft piston engine. Representing a high-output version of the AM-38F, AM-42 was used in the Ilyushin Il-1 fighter, and the Il-8 and Il-10 ground attack aircraft.

[edit] Specifications (AM-42)

General characteristics

• Type: 12-cylinder 60° Vee aircraft piston engine
• Bore: 160mm (6.30 in)
• Stroke: 190mm (7.48 in)
• Displacement: 46.66 L (2,847 in³)
• Dry weight: 996 kg (2,195 lb)

Components

• Cooling system: Liquid-cooled

Performance

• Power output: 1,490 kW (2,000 hp) at 2,500 rpm
• Specific power: 31.9 kW/L (0.70 hp/in³)
• Compression ratio: 5.5:1
• Power-to-weight ratio: 1.50 kW/kg (0.91 hp/lb)